30% , 3/5 , 0.8
Checking:
30%=30%
3/5=60%
0.8=80%
There are two sides 9 x 5
Two sides are 5 x 3
Two sides are 9 x 3
Surface area :
2 x 9 x 5 = 90
2 x 5 x 3 = 30
2 x 9 x 3 = 54
Total: 90 + 30 + 54 = 174 square inches
Answer:
25%
Step-by-step explanation:
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Answer:
Step-by-step explanation:
We would set up the hypothesis test.
For the null hypothesis,
p = 0.35
For the alternative hypothesis,
p > 0.35
This is a right tailed test considering the > in the alternative hypothesis.
Considering the population proportion, probability of success, p = 0.35
q = probability of failure = 1 - p
q = 1 - 0.35 = 0.65
Considering the sample,
Sample proportion, P = x/n
Where
x = number of success = 42
n = number of samples = 100
P = 42/120 = 0.42
We would determine the test statistic which is the z score
z = (P - p)/√pq/n
z = (0.42 - 0.35)/√(0.35 × 0.65)/100 z = 1.48
